South Africa's Kyalami racetrack, which hosted Formula One Grand Prix races for nearly two decades, will be sold and could be lost to motorsport, auction organisers said.
Ferrari chairman Luca di Montezemolo may pull his team out of Formula One because it "isn't working" and the Italian firm may switch to sports-car competition, he told Friday's Wall Street Journal.
Formula One faces a serious cash crisis if it does not introduce serious cost-cutting measures, Williams' deputy team-principal Claire Williams warned.
Formula One supremo Bernie Ecclestone went on trial in Germany Thursday accused of bribery in a case which threatens a jail term for the Briton who has controlled the motor sport for four decades.